From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/media/usb/uvc/uvc_v4l2.c | 46 +++++++++++++++++++++++-----------------------
1 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/media/usb/uvc/uvc_v4l2.c b/kernel/drivers/media/usb/uvc/uvc_v4l2.c
index e858f4f..b40a2b9 100644
--- a/kernel/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/kernel/drivers/media/usb/uvc/uvc_v4l2.c
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* uvc_v4l2.c -- USB Video Class driver - V4L2 API
*
* Copyright (C) 2005-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
*/
#include <linux/compat.h>
@@ -288,7 +283,8 @@
fmt->fmt.pix.sizeimage = probe->dwMaxVideoFrameSize;
fmt->fmt.pix.pixelformat = format->fcc;
fmt->fmt.pix.colorspace = format->colorspace;
- fmt->fmt.pix.priv = 0;
+ fmt->fmt.pix.xfer_func = format->xfer_func;
+ fmt->fmt.pix.ycbcr_enc = format->ycbcr_enc;
if (uvc_format != NULL)
*uvc_format = format;
@@ -325,7 +321,8 @@
fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(format, frame);
fmt->fmt.pix.sizeimage = stream->ctrl.dwMaxVideoFrameSize;
fmt->fmt.pix.colorspace = format->colorspace;
- fmt->fmt.pix.priv = 0;
+ fmt->fmt.pix.xfer_func = format->xfer_func;
+ fmt->fmt.pix.ycbcr_enc = format->ycbcr_enc;
done:
mutex_unlock(&stream->mutex);
@@ -624,8 +621,8 @@
struct uvc_video_chain *chain = handle->chain;
struct uvc_streaming *stream = handle->stream;
- strlcpy(cap->driver, "uvcvideo", sizeof(cap->driver));
- strlcpy(cap->card, vdev->name, sizeof(cap->card));
+ strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));
+ strscpy(cap->card, vdev->name, sizeof(cap->card));
usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
| chain->caps;
@@ -651,7 +648,7 @@
fmt->flags = 0;
if (format->flags & UVC_FMT_FLAG_COMPRESSED)
fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
- strlcpy(fmt->description, format->name, sizeof(fmt->description));
+ strscpy(fmt->description, format->name, sizeof(fmt->description));
fmt->description[sizeof(fmt->description) - 1] = 0;
fmt->pixelformat = format->fcc;
return 0;
@@ -784,7 +781,8 @@
if (!uvc_has_privileges(handle))
return -EBUSY;
- return uvc_queue_buffer(&stream->queue, buf);
+ return uvc_queue_buffer(&stream->queue,
+ stream->vdev.v4l2_dev->mdev, buf);
}
static int uvc_ioctl_expbuf(struct file *file, void *fh,
@@ -865,34 +863,36 @@
struct uvc_video_chain *chain = handle->chain;
const struct uvc_entity *selector = chain->selector;
struct uvc_entity *iterm = NULL;
+ struct uvc_entity *it;
u32 index = input->index;
- int pin = 0;
if (selector == NULL ||
(chain->dev->quirks & UVC_QUIRK_IGNORE_SELECTOR_UNIT)) {
if (index != 0)
return -EINVAL;
- list_for_each_entry(iterm, &chain->entities, chain) {
- if (UVC_ENTITY_IS_ITERM(iterm))
+ list_for_each_entry(it, &chain->entities, chain) {
+ if (UVC_ENTITY_IS_ITERM(it)) {
+ iterm = it;
break;
+ }
}
- pin = iterm->id;
} else if (index < selector->bNrInPins) {
- pin = selector->baSourceID[index];
- list_for_each_entry(iterm, &chain->entities, chain) {
- if (!UVC_ENTITY_IS_ITERM(iterm))
+ list_for_each_entry(it, &chain->entities, chain) {
+ if (!UVC_ENTITY_IS_ITERM(it))
continue;
- if (iterm->id == pin)
+ if (it->id == selector->baSourceID[index]) {
+ iterm = it;
break;
+ }
}
}
- if (iterm == NULL || iterm->id != pin)
+ if (iterm == NULL)
return -EINVAL;
memset(input, 0, sizeof(*input));
input->index = index;
- strlcpy(input->name, iterm->name, sizeof(input->name));
+ strscpy(input->name, iterm->name, sizeof(input->name));
if (UVC_ENTITY_TYPE(iterm) == UVC_ITT_CAMERA)
input->type = V4L2_INPUT_TYPE_CAMERA;
@@ -984,7 +984,7 @@
qec->id = qc.id;
qec->type = qc.type;
- strlcpy(qec->name, qc.name, sizeof(qec->name));
+ strscpy(qec->name, qc.name, sizeof(qec->name));
qec->minimum = qc.minimum;
qec->maximum = qc.maximum;
qec->step = qc.step;
--
Gitblit v1.6.2